$(function(){
	var default_search_string = 'Search';
	
	$('#q').focus(function() {
		if ($(this).val() == default_search_string) {
			$(this).val('')
		}
	});
	
	$('#q').blur(function() {
		if ($(this).val() == '') {
			$(this).val(default_search_string)
		}
	});
	
	$('#search_button').click(function() {
		if ($('#q').val() != default_search_string) {
			$('#search_form').submit();
		}
	});
	
	/*$('#q').autocomplete('/ajax/search_suggestions', {
		extraParams: {
			search_str: function() {
				return $("#q").val();
			}
		},
		max: 5,
		minChars: 2,
		autoFill: false,
		cacheLength: 10,
		delay: 200 // milliseconds before autocomplete begins
	});*/
	
	var cache = [];
	// Arguments are image paths relative to the current page.
	$.pre_load_images = function() {
		var args_len = arguments.length;
		for (var i = args_len; i--;) {
			var cacheImage = document.createElement('img');
			cacheImage.src = arguments[i];
			cache.push(cacheImage);
		}
	}
	
	jQuery.pre_load_images("/media/lockdown/images/tabs/tab_hover.jpg", "/media/lockdown/images/tabs/tab_home_hover.jpg");
});